You'll have to offer such a deep discount to sell a seller financed note it would deeply cut into your profit on the deal.  

And can be risky for buyers who try to scale this and do not have SUBSTANTIAL cash reserves.buyer starts defaulting on these and does not have the protections you put in place for the sellers.. the SEllers get very mad and start filing complaints of a criminal nature.. many SUB TOO equity skimmers have found themselves in deep trouble and in Jail ( where they belong).I rescued a company in Oregon that did about 35 of these.

I have a 0.1 Acre property for sale in Old Town, Maine which needs lawn mowing every week or two until it sells and also a deep clean and coat of paint now that the tenant has vacated.  

Take a deep breath.

Knowing that you can hustle and support yourself in any situation is the greatest stress reliever ever!

First thing before digging too deep into the other parts of DD is to do a virtual view of the house.

:-)Currently neck deep in Bigger Pockets resources, real estate books and other resources to better understand the opportunity, marketplace and best practices of the industry.

Deep cleaning the carpets between tenants is recurring and appropriate to include if we're taking a 2 year average.

Actually Alaska may rank up there too but when you mentioned buying in lots you'll have to have deep pockets for that. 

As each opportunity crosses your path, you can choose to do a deep dive, get a lot of information, do a full analysis and then determine how you will move forward (i.e. invest or pass) .